[PATCH] Driver core: small cleanup; remove check for NULL before kfree() in driver core

Remove needless checking of variable for NULL before calling kfree() on it.
Applies to 2.6.13-rc6-git9
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/base/class.c

@@ -299,10 +299,8 @@ static void class_dev_release(struct kobject * kobj)
 
 	pr_debug("device class '%s': release.\n", cd->class_id);
 
-	if (cd->devt_attr) {
 	kfree(cd->devt_attr);
 	cd->devt_attr = NULL;
-	}
 
 	if (cls->release)
 		cls->release(cd);